REP. CONYERS TO FUNNYMAN: 'I'm asking you to leave the committee room completely, and submit your statement'... MORE... Rep. Lofgren steps in: 'Many are eager to hear his comments' ... Colbert mugs: 'I'm here at the invitation of the chairwoman, and if she would like me to remove myself from the hearing room I am happy to do so. I'm only here at her invitation'...